What is the purpose of the 'keep alive' function in the circuit described in Figure J3? I - To prevent the Royer from turning off. II - To improve...
What is the purpose of the 'keep alive' function in the circuit described in Figure J3?
I - To prevent the Royer from turning off.
II - To improve line rejection.
III - To reduce the crest factor of the lamp waveform.
IV - To reduce power waste caused by continuous lamp restarting.
a) I and II are correct.
b) I and IV are correct.
c) II and III are correct.
d) I, II, and IV are correct.
I - To prevent the Royer from turning off.
II - To improve line rejection.
III - To reduce the crest factor of the lamp waveform.
IV - To reduce power waste caused by continuous lamp restarting.
a) I and II are correct.
b) I and IV are correct.
c) II and III are correct.
d) I, II, and IV are correct.
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💡 1 Resposta
Ed 
A função "keep alive" no circuito descrito na Figura J3 tem como objetivo manter o funcionamento contínuo do Royer, evitando que ele desligue. Além disso, essa função também ajuda a melhorar a rejeição de linha, reduzir o fator de crista da forma de onda da lâmpada e diminuir o desperdício de energia causado pelo reinício contínuo da lâmpada. Portanto, a alternativa correta é a letra d) I, II e IV estão corretas.
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